That could be your problem if everything else was done correctly. From my past experience with wildcards, the answer is 'no', the wildcard matches a single level of the hierarchy. If, for example, you had a certificate for '*.domainname.com', it would match for 'DC.domainname.com'... but your child domain domain controller would be 'DC.child.domainname.com'.

If you have OpenSSL, one helpful tool in there is the ssl client, which can confirm certificates, etc... in the form:
OpenSSL s_client -connect [host_fqdn]:[port]
where the port for LDAPS should be 636 by default.

If you get continual lockouts after changing your Active Directory password, there are several possible reasons. Two of the most common are using other devices to access your email and stored passwords in the credential manager of windows.

Possible fixes for Windows 7 and Windows Server 2008 updating problem. Solutions mentioned are from Microsoft themselves. I started a case with them from our Microsoft Silver Partner option to open a case and get direct support from Microsoft.
If s…

The viewer will learn how to successfully create a multiboot device using the SARDU utility on Windows 7.
Start the SARDU utility:
Change the image directory to wherever you store your ISOs, this will prevent you from having 2 copies of an ISO wit…

The Task Scheduler is a powerful tool that is built into Windows. It allows you to schedule tasks (actions) on a recurring basis, such as hourly, daily, weekly, monthly, at log on, at startup, on idle, etc. This video Micro Tutorial is a brief intro…